- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 221/10 - Aza-phenanthrenes
Patent holdings for IPC class C07D 221/10
Total number of patents in this class: 72
10-year publication summary
|
5
|
3
|
6
|
2
|
2
|
1
|
3
|
2
|
1
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bristol-myers Squibb Company | 4815 |
4 |
| LG Chem, Ltd. | 17867 |
4 |
| Merck Patent GmbH | 5669 |
4 |
| The Regents of the University of California | 20587 |
3 |
| Boehringer Ingelheim International GmbH | 4496 |
3 |
| Vitae Pharmaceuticals, Inc. | 87 |
3 |
| Canon Kabushiki Kaisha | 7249 |
3 |
| ArQule, Inc. | 133 |
2 |
| Chugai Seiyaku Kabushiki Kaisha | 1396 |
2 |
| East China University of Science and Technology | 544 |
2 |
| Sagami Chemical Research Institute | 92 |
2 |
| Shanghai Institute of Materia Medica, Chinese Academy of Sciences | 858 |
2 |
| Tosoh Corporation | 1387 |
2 |
| Universita' degli Studi di Udine | 80 |
2 |
| Samsung Electronics Co., Ltd. | 154751 |
1 |
| Samsung Display Co., Ltd. | 37981 |
1 |
| Canon Inc. | 42505 |
1 |
| Centre National de La Recherche Scientifique | 10895 |
1 |
| Bayer Cropscience AG | 1882 |
1 |
| Sumitomo Chemical Company, Limited | 9013 |
1 |
| Other owners | 28 |